Louver pattern for a gas furnace door



FIG. 1 is a perspective view of a louver patter for a gas furnace doorshowing our new design;

FIG. 2 is a front elevational view thereof; and,

FIG. 3 is an enlarged fragmented view taken on line 3--3 of FIG. 2.

The broken line showing of a gas furnace door is for illustrativepurposes only and forms no part of the claimed design.

The ornamental design for a louver pattern for a gas furnace door, asshown and described.